Mercurial > hg
view tests/test-clonebundles.t @ 40022:33eb670e2834
wireprotov2: define semantics for content redirects
When I implemented the clonebundles feature and deployed it on
hg.mozilla.org using Amazon S3 as a content server, server-side CPU
and bandwidth usage dropped off a cliff and a ton of server scaling
headaches went away pretty much the instant clients with support for
clonebundles were rolled out to Firefox CI.
An obvious takeaway from that experience was that offloading server
load to scalable file servers - potentially backed by a CDN - is a
really good idea. Another takeaway was that Mercurial's wire protocol
wasn't in a good position to support data offload generally.
In wire protocol version 1, there isn't a mechanism in the protocol to
say "grab the data from over here instead." For HTTP, we could teach
the client to follow HTTP redirects. Or we could invent a media type
that encoded redirects inline. But for SSH, we were pretty much out of
luck because that protocol wasn't very flexible.
Wire protocol version 2 offers the opportunity to do something better.
The recent generic server-side content caching layer in the wire
protocol version 2 server demonstrated that it is possible to have
drop-in caching of responses to command requests. This by itself
adds tons of value and already makes the built-in server much more
scalable. But I don't want to stop there.
The existing server-side caching implementation has a big weakness:
it requires the server to send data to the client. This means that
the Mercurial server is potentially sending gigabytes of data to
thousands of clients. This is problematic because compared to scaling
static file servers, scaling dynamic servers is *hard*.
A solution to this is to "offload" serving of content to something
that isn't the Mercurial server. By offloading content serving, you
turn the Mercurial server from a centralized monolithic service to
a distributed mostly-indexing service. Assuming high rates of content
offload, this should drastically reduce the total work performed by
the Mercurial server, both in terms of CPU and data transfer. This
will make Mercurial servers vastly easier to scale.
This commit defines the semantics for "content redirects" in wire
protocol version 2. Essentially:
* Servers advertise the set of locations a response could be served
from.
* When making requests, clients advertise the set of locations they
are willing to fetch content from.
* Servers can then replace the inline response with one that says
"get the response from over here instead."
This feature - when fully implemented - will allow extending the
server-side caching layer to facilitate such things as integrating
your server-side cache with a scalable blob store (such as S3 or
a CDN) and offloading most data transfer to that external service.
This feature could also be leveraged for load balancing. e.g.
requests could come into a central server and then get redirected
to an available mirror depending on server availability or locality.
There's tons of potential :)
Differential Revision: https://phab.mercurial-scm.org/D4774
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Wed, 26 Sep 2018 18:02:06 -0700 |
parents | 4bd6e444c76f |
children | 393e44324037 |
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#require no-reposimplestore no-chg Set up a server $ hg init server $ cd server $ cat >> .hg/hgrc << EOF > [extensions] > clonebundles = > EOF $ touch foo $ hg -q commit -A -m 'add foo' $ touch bar $ hg -q commit -A -m 'add bar' $ hg serve -d -p $HGPORT --pid-file hg.pid --accesslog access.log $ cat hg.pid >> $DAEMON_PIDS $ cd .. Missing manifest should not result in server lookup $ hg --verbose clone -U http://localhost:$HGPORT no-manifest requesting all changes adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files new changesets 53245c60e682:aaff8d2ffbbf $ cat server/access.log * - - [*] "GET /?cmd=capabilities HTTP/1.1" 200 - (glob) $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob) $LOCALIP - - [$LOGDATE$] "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bookmarks=1&$USUAL_BUNDLE_CAPS$&cg=1&common=0000000000000000000000000000000000000000&heads=aaff8d2ffbbf07a46dd1f05d8ae7877e3f56e2a2&listkeys=bookmarks&phases=1 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ partial-pull (glob) Empty manifest file results in retrieval (the extension only checks if the manifest file exists) $ touch server/.hg/clonebundles.manifest $ hg --verbose clone -U http://localhost:$HGPORT empty-manifest no clone bundles available on remote; falling back to regular clone requesting all changes adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files new changesets 53245c60e682:aaff8d2ffbbf Manifest file with invalid URL aborts $ echo 'http://does.not.exist/bundle.hg' > server/.hg/clonebundles.manifest $ hg clone http://localhost:$HGPORT 404-url applying clone bundle from http://does.not.exist/bundle.hg error fetching bundle: (.* not known|(\[Errno -?\d+])? No address associated with hostname) (re) (no-windows !) error fetching bundle: [Errno 11004] getaddrinfo failed (windows !) abort: error applying bundle (if this error persists, consider contacting the server operator or disable clone bundles via "--config ui.clonebundles=false") [255] Server is not running aborts $ echo "http://localhost:$HGPORT1/bundle.hg" > server/.hg/clonebundles.manifest $ hg clone http://localhost:$HGPORT server-not-runner applying clone bundle from http://localhost:$HGPORT1/bundle.hg error fetching bundle: (.* refused.*|Protocol not supported|(.* )?Cannot assign requested address) (re) abort: error applying bundle (if this error persists, consider contacting the server operator or disable clone bundles via "--config ui.clonebundles=false") [255] Server returns 404 $ "$PYTHON" $TESTDIR/dumbhttp.py -p $HGPORT1 --pid http.pid $ cat http.pid >> $DAEMON_PIDS $ hg clone http://localhost:$HGPORT running-404 applying clone bundle from http://localhost:$HGPORT1/bundle.hg HTTP error fetching bundle: HTTP Error 404: File not found abort: error applying bundle (if this error persists, consider contacting the server operator or disable clone bundles via "--config ui.clonebundles=false") [255] We can override failure to fall back to regular clone $ hg --config ui.clonebundlefallback=true clone -U http://localhost:$HGPORT 404-fallback applying clone bundle from http://localhost:$HGPORT1/bundle.hg HTTP error fetching bundle: HTTP Error 404: File not found falling back to normal clone requesting all changes adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files new changesets 53245c60e682:aaff8d2ffbbf Bundle with partial content works $ hg -R server bundle --type gzip-v1 --base null -r 53245c60e682 partial.hg 1 changesets found We verify exact bundle content as an extra check against accidental future changes. If this output changes, we could break old clients. $ f --size --hexdump partial.hg partial.hg: size=207 0000: 48 47 31 30 47 5a 78 9c 63 60 60 98 17 ac 12 93 |HG10GZx.c``.....| 0010: f0 ac a9 23 45 70 cb bf 0d 5f 59 4e 4a 7f 79 21 |...#Ep..._YNJ.y!| 0020: 9b cc 40 24 20 a0 d7 ce 2c d1 38 25 cd 24 25 d5 |..@$ ...,.8%.$%.| 0030: d8 c2 22 cd 38 d9 24 cd 22 d5 c8 22 cd 24 cd 32 |..".8.$."..".$.2| 0040: d1 c2 d0 c4 c8 d2 32 d1 38 39 29 c9 34 cd d4 80 |......2.89).4...| 0050: ab 24 b5 b8 84 cb 40 c1 80 2b 2d 3f 9f 8b 2b 31 |.$....@..+-?..+1| 0060: 25 45 01 c8 80 9a d2 9b 65 fb e5 9e 45 bf 8d 7f |%E......e...E...| 0070: 9f c6 97 9f 2b 44 34 67 d9 ec 8e 0f a0 92 0b 75 |....+D4g.......u| 0080: 41 d6 24 59 18 a4 a4 9a a6 18 1a 5b 98 9b 5a 98 |A.$Y.......[..Z.| 0090: 9a 18 26 9b a6 19 98 1a 99 99 26 a6 18 9a 98 24 |..&.......&....$| 00a0: 26 59 a6 25 5a 98 a5 18 a6 24 71 41 35 b1 43 dc |&Y.%Z....$qA5.C.| 00b0: 16 b2 83 f7 e9 45 8b d2 56 c7 a3 1f 82 52 d7 8a |.....E..V....R..| 00c0: 78 ed fc d5 76 f1 36 35 dc 05 00 36 ed 5e c7 |x...v.65...6.^.| $ echo "http://localhost:$HGPORT1/partial.hg" > server/.hg/clonebundles.manifest $ hg clone -U http://localhost:$HGPORT partial-bundle applying clone bundle from http://localhost:$HGPORT1/partial.hg adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files finished applying clone bundle searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files new changesets aaff8d2ffbbf 1 local changesets published Incremental pull doesn't fetch bundle $ hg clone -r 53245c60e682 -U http://localhost:$HGPORT partial-clone adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files new changesets 53245c60e682 $ cd partial-clone $ hg pull pulling from http://localhost:$HGPORT/ searching for changes adding changesets adding manifests adding file changes added 1 changesets with 1 changes to 1 files new changesets aaff8d2ffbbf (run 'hg update' to get a working copy) $ cd .. Bundle with full content works $ hg -R server bundle --type gzip-v2 --base null -r tip full.hg 2 changesets found Again, we perform an extra check against bundle content changes. If this content changes, clone bundles produced by new Mercurial versions may not be readable by old clients. $ f --size --hexdump full.hg full.hg: size=442 0000: 48 47 32 30 00 00 00 0e 43 6f 6d 70 72 65 73 73 |HG20....Compress| 0010: 69 6f 6e 3d 47 5a 78 9c 63 60 60 d0 e4 76 f6 70 |ion=GZx.c``..v.p| 0020: f4 73 77 75 0f f2 0f 0d 60 00 02 46 46 76 26 4e |.swu....`..FFv&N| 0030: c6 b2 d4 a2 e2 cc fc 3c 03 a3 bc a4 e4 8c c4 bc |.......<........| 0040: f4 d4 62 23 06 06 e6 19 40 f9 4d c1 2a 31 09 cf |..b#....@.M.*1..| 0050: 9a 3a 52 04 b7 fc db f0 95 e5 a4 f4 97 17 b2 c9 |.:R.............| 0060: 0c 14 00 02 e6 d9 99 25 1a a7 a4 99 a4 a4 1a 5b |.......%.......[| 0070: 58 a4 19 27 9b a4 59 a4 1a 59 a4 99 a4 59 26 5a |X..'..Y..Y...Y&Z| 0080: 18 9a 18 59 5a 26 1a 27 27 25 99 a6 99 1a 70 95 |...YZ&.''%....p.| 0090: a4 16 97 70 19 28 18 70 a5 e5 e7 73 71 25 a6 a4 |...p.(.p...sq%..| 00a0: 28 00 19 20 17 af fa df ab ff 7b 3f fb 92 dc 8b |(.. ......{?....| 00b0: 1f 62 bb 9e b7 d7 d9 87 3d 5a 44 89 2f b0 99 87 |.b......=ZD./...| 00c0: ec e2 54 63 43 e3 b4 64 43 73 23 33 43 53 0b 63 |..TcC..dCs#3CS.c| 00d0: d3 14 23 03 a0 fb 2c 2c 0c d3 80 1e 30 49 49 b1 |..#...,,....0II.| 00e0: 4c 4a 32 48 33 30 b0 34 42 b8 38 29 b1 08 e2 62 |LJ2H30.4B.8)...b| 00f0: 20 03 6a ca c2 2c db 2f f7 2c fa 6d fc fb 34 be | .j..,./.,.m..4.| 0100: fc 5c 21 a2 39 cb 66 77 7c 00 0d c3 59 17 14 58 |.\!.9.fw|...Y..X| 0110: 49 16 06 29 a9 a6 29 86 c6 16 e6 a6 16 a6 26 86 |I..)..).......&.| 0120: c9 a6 69 06 a6 46 66 a6 89 29 86 26 26 89 49 96 |..i..Ff..).&&.I.| 0130: 69 89 16 66 29 86 29 49 5c 20 07 3e 16 fe 23 ae |i..f).)I\ .>..#.| 0140: 26 da 1c ab 10 1f d1 f8 e3 b3 ef cd dd fc 0c 93 |&...............| 0150: 88 75 34 36 75 04 82 55 17 14 36 a4 38 10 04 d8 |.u46u..U..6.8...| 0160: 21 01 9a b1 83 f7 e9 45 8b d2 56 c7 a3 1f 82 52 |!......E..V....R| 0170: d7 8a 78 ed fc d5 76 f1 36 25 81 89 c7 ad ec 90 |..x...v.6%......| 0180: 54 47 75 2b 89 48 b1 b2 62 c9 89 c9 19 a9 56 45 |TGu+.H..b.....VE| 0190: a9 65 ba 49 45 89 79 c9 19 ba 60 01 a0 14 23 58 |.e.IE.y...`...#X| 01a0: 81 35 c8 7d 40 cc 04 e2 a4 a4 a6 25 96 e6 94 60 |.5.}@......%...`| 01b0: 33 17 5f 54 00 00 d3 1b 0d 4c |3._T.....L| $ echo "http://localhost:$HGPORT1/full.hg" > server/.hg/clonebundles.manifest $ hg clone -U http://localhost:$HGPORT full-bundle applying clone bundle from http://localhost:$HGPORT1/full.hg adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files finished applying clone bundle searching for changes no changes found 2 local changesets published Feature works over SSH $ hg clone -U -e "\"$PYTHON\" \"$TESTDIR/dummyssh\"" ssh://user@dummy/server ssh-full-clone applying clone bundle from http://localhost:$HGPORT1/full.hg adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files finished applying clone bundle searching for changes no changes found 2 local changesets published Entry with unknown BUNDLESPEC is filtered and not used $ cat > server/.hg/clonebundles.manifest << EOF > http://bad.entry1 BUNDLESPEC=UNKNOWN > http://bad.entry2 BUNDLESPEC=xz-v1 > http://bad.entry3 BUNDLESPEC=none-v100 > http://localhost:$HGPORT1/full.hg BUNDLESPEC=gzip-v2 > EOF $ hg clone -U http://localhost:$HGPORT filter-unknown-type applying clone bundle from http://localhost:$HGPORT1/full.hg adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files finished applying clone bundle searching for changes no changes found 2 local changesets published Automatic fallback when all entries are filtered $ cat > server/.hg/clonebundles.manifest << EOF > http://bad.entry BUNDLESPEC=UNKNOWN > EOF $ hg clone -U http://localhost:$HGPORT filter-all no compatible clone bundles available on server; falling back to regular clone (you may want to report this to the server operator) requesting all changes adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files new changesets 53245c60e682:aaff8d2ffbbf URLs requiring SNI are filtered in Python <2.7.9 $ cp full.hg sni.hg $ cat > server/.hg/clonebundles.manifest << EOF > http://localhost:$HGPORT1/sni.hg REQUIRESNI=true > http://localhost:$HGPORT1/full.hg > EOF #if sslcontext Python 2.7.9+ support SNI $ hg clone -U http://localhost:$HGPORT sni-supported applying clone bundle from http://localhost:$HGPORT1/sni.hg adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files finished applying clone bundle searching for changes no changes found 2 local changesets published #else Python <2.7.9 will filter SNI URLs $ hg clone -U http://localhost:$HGPORT sni-unsupported applying clone bundle from http://localhost:$HGPORT1/full.hg adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files finished applying clone bundle searching for changes no changes found 2 local changesets published #endif Stream clone bundles are supported $ hg -R server debugcreatestreamclonebundle packed.hg writing 613 bytes for 4 files bundle requirements: generaldelta, revlogv1 No bundle spec should work $ cat > server/.hg/clonebundles.manifest << EOF > http://localhost:$HGPORT1/packed.hg > EOF $ hg clone -U http://localhost:$HGPORT stream-clone-no-spec applying clone bundle from http://localhost:$HGPORT1/packed.hg 4 files to transfer, 613 bytes of data transferred 613 bytes in *.* seconds (*) (glob) finished applying clone bundle searching for changes no changes found Bundle spec without parameters should work $ cat > server/.hg/clonebundles.manifest << EOF > http://localhost:$HGPORT1/packed.hg BUNDLESPEC=none-packed1 > EOF $ hg clone -U http://localhost:$HGPORT stream-clone-vanilla-spec applying clone bundle from http://localhost:$HGPORT1/packed.hg 4 files to transfer, 613 bytes of data transferred 613 bytes in *.* seconds (*) (glob) finished applying clone bundle searching for changes no changes found Bundle spec with format requirements should work $ cat > server/.hg/clonebundles.manifest << EOF > http://localhost:$HGPORT1/packed.hg BUNDLESPEC=none-packed1;requirements%3Drevlogv1 > EOF $ hg clone -U http://localhost:$HGPORT stream-clone-supported-requirements applying clone bundle from http://localhost:$HGPORT1/packed.hg 4 files to transfer, 613 bytes of data transferred 613 bytes in *.* seconds (*) (glob) finished applying clone bundle searching for changes no changes found Stream bundle spec with unknown requirements should be filtered out $ cat > server/.hg/clonebundles.manifest << EOF > http://localhost:$HGPORT1/packed.hg BUNDLESPEC=none-packed1;requirements%3Drevlogv42 > EOF $ hg clone -U http://localhost:$HGPORT stream-clone-unsupported-requirements no compatible clone bundles available on server; falling back to regular clone (you may want to report this to the server operator) requesting all changes adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files new changesets 53245c60e682:aaff8d2ffbbf Set up manifest for testing preferences (Remember, the TYPE does not have to match reality - the URL is important) $ cp full.hg gz-a.hg $ cp full.hg gz-b.hg $ cp full.hg bz2-a.hg $ cp full.hg bz2-b.hg $ cat > server/.hg/clonebundles.manifest << EOF > http://localhost:$HGPORT1/gz-a.hg BUNDLESPEC=gzip-v2 extra=a > http://localhost:$HGPORT1/bz2-a.hg BUNDLESPEC=bzip2-v2 extra=a > http://localhost:$HGPORT1/gz-b.hg BUNDLESPEC=gzip-v2 extra=b > http://localhost:$HGPORT1/bz2-b.hg BUNDLESPEC=bzip2-v2 extra=b > EOF Preferring an undefined attribute will take first entry $ hg --config ui.clonebundleprefers=foo=bar clone -U http://localhost:$HGPORT prefer-foo applying clone bundle from http://localhost:$HGPORT1/gz-a.hg adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files finished applying clone bundle searching for changes no changes found 2 local changesets published Preferring bz2 type will download first entry of that type $ hg --config ui.clonebundleprefers=COMPRESSION=bzip2 clone -U http://localhost:$HGPORT prefer-bz applying clone bundle from http://localhost:$HGPORT1/bz2-a.hg adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files finished applying clone bundle searching for changes no changes found 2 local changesets published Preferring multiple values of an option works $ hg --config ui.clonebundleprefers=COMPRESSION=unknown,COMPRESSION=bzip2 clone -U http://localhost:$HGPORT prefer-multiple-bz applying clone bundle from http://localhost:$HGPORT1/bz2-a.hg adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files finished applying clone bundle searching for changes no changes found 2 local changesets published Sorting multiple values should get us back to original first entry $ hg --config ui.clonebundleprefers=BUNDLESPEC=unknown,BUNDLESPEC=gzip-v2,BUNDLESPEC=bzip2-v2 clone -U http://localhost:$HGPORT prefer-multiple-gz applying clone bundle from http://localhost:$HGPORT1/gz-a.hg adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files finished applying clone bundle searching for changes no changes found 2 local changesets published Preferring multiple attributes has correct order $ hg --config ui.clonebundleprefers=extra=b,BUNDLESPEC=bzip2-v2 clone -U http://localhost:$HGPORT prefer-separate-attributes applying clone bundle from http://localhost:$HGPORT1/bz2-b.hg adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files finished applying clone bundle searching for changes no changes found 2 local changesets published Test where attribute is missing from some entries $ cat > server/.hg/clonebundles.manifest << EOF > http://localhost:$HGPORT1/gz-a.hg BUNDLESPEC=gzip-v2 > http://localhost:$HGPORT1/bz2-a.hg BUNDLESPEC=bzip2-v2 > http://localhost:$HGPORT1/gz-b.hg BUNDLESPEC=gzip-v2 extra=b > http://localhost:$HGPORT1/bz2-b.hg BUNDLESPEC=bzip2-v2 extra=b > EOF $ hg --config ui.clonebundleprefers=extra=b clone -U http://localhost:$HGPORT prefer-partially-defined-attribute applying clone bundle from http://localhost:$HGPORT1/gz-b.hg adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files finished applying clone bundle searching for changes no changes found 2 local changesets published Test interaction between clone bundles and --stream A manifest with just a gzip bundle $ cat > server/.hg/clonebundles.manifest << EOF > http://localhost:$HGPORT1/gz-a.hg BUNDLESPEC=gzip-v2 > EOF $ hg clone -U --stream http://localhost:$HGPORT uncompressed-gzip no compatible clone bundles available on server; falling back to regular clone (you may want to report this to the server operator) streaming all changes 9 files to transfer, 816 bytes of data transferred 816 bytes in * seconds (*) (glob) A manifest with a stream clone but no BUNDLESPEC $ cat > server/.hg/clonebundles.manifest << EOF > http://localhost:$HGPORT1/packed.hg > EOF $ hg clone -U --stream http://localhost:$HGPORT uncompressed-no-bundlespec no compatible clone bundles available on server; falling back to regular clone (you may want to report this to the server operator) streaming all changes 9 files to transfer, 816 bytes of data transferred 816 bytes in * seconds (*) (glob) A manifest with a gzip bundle and a stream clone $ cat > server/.hg/clonebundles.manifest << EOF > http://localhost:$HGPORT1/gz-a.hg BUNDLESPEC=gzip-v2 > http://localhost:$HGPORT1/packed.hg BUNDLESPEC=none-packed1 > EOF $ hg clone -U --stream http://localhost:$HGPORT uncompressed-gzip-packed applying clone bundle from http://localhost:$HGPORT1/packed.hg 4 files to transfer, 613 bytes of data transferred 613 bytes in * seconds (*) (glob) finished applying clone bundle searching for changes no changes found A manifest with a gzip bundle and stream clone with supported requirements $ cat > server/.hg/clonebundles.manifest << EOF > http://localhost:$HGPORT1/gz-a.hg BUNDLESPEC=gzip-v2 > http://localhost:$HGPORT1/packed.hg BUNDLESPEC=none-packed1;requirements%3Drevlogv1 > EOF $ hg clone -U --stream http://localhost:$HGPORT uncompressed-gzip-packed-requirements applying clone bundle from http://localhost:$HGPORT1/packed.hg 4 files to transfer, 613 bytes of data transferred 613 bytes in * seconds (*) (glob) finished applying clone bundle searching for changes no changes found A manifest with a gzip bundle and a stream clone with unsupported requirements $ cat > server/.hg/clonebundles.manifest << EOF > http://localhost:$HGPORT1/gz-a.hg BUNDLESPEC=gzip-v2 > http://localhost:$HGPORT1/packed.hg BUNDLESPEC=none-packed1;requirements%3Drevlogv42 > EOF $ hg clone -U --stream http://localhost:$HGPORT uncompressed-gzip-packed-unsupported-requirements no compatible clone bundles available on server; falling back to regular clone (you may want to report this to the server operator) streaming all changes 9 files to transfer, 816 bytes of data transferred 816 bytes in * seconds (*) (glob) Test clone bundle retrieved through bundle2 $ cat << EOF >> $HGRCPATH > [extensions] > largefiles= > EOF $ killdaemons.py $ hg -R server serve -d -p $HGPORT --pid-file hg.pid --accesslog access.log $ cat hg.pid >> $DAEMON_PIDS $ hg -R server debuglfput gz-a.hg 1f74b3d08286b9b3a16fb3fa185dd29219cbc6ae $ cat > server/.hg/clonebundles.manifest << EOF > largefile://1f74b3d08286b9b3a16fb3fa185dd29219cbc6ae BUNDLESPEC=gzip-v2 > EOF $ hg clone -U http://localhost:$HGPORT largefile-provided --traceback applying clone bundle from largefile://1f74b3d08286b9b3a16fb3fa185dd29219cbc6ae adding changesets adding manifests adding file changes added 2 changesets with 2 changes to 2 files finished applying clone bundle searching for changes no changes found 2 local changesets published